## Look up: heteroscedasticity

1. Heteroscedasticity
In statistics, a collection of random variables is heteroscedastic (sometimes spelled heteroskedastic, and commonly pronounced with a hard k regardless of spelling) if there are sub-populations that have different variabilities than others. Here "variability" could be quantified by the variance or ...
Found op http://en.wikipedia.org/wiki/Heteroscedasticity

2. heteroscedasticity
Non-constancy of the variance of a measure over the levels of the factor under study. ... Origin: hetero + G. Skedastikos, pertaining to scattering, fr. Skedannumi, to scatter ... (05 Mar 2000) ...
Found op http://www.mondofacto.com/facts/dictionary?heteroscedasticity

3. heteroscedasticity
heteroscedastic: A set of statistical distributions having different variances....
Found op http://www.oenb.at/dictionary/termini.jsp?EINTRAG_ID=7082

4. heteroscedasticity
Heteroscedasticity is caused by nonnormality of one of the variables, an indirect relationship between variables, or to the effect of a data transformation. Heteroscedasticity is not fatal to an analysis, the analysis is weakened, not invalidated. Homoscedasticity is detected with scatterplots and i...
Found op http://www.oenb.at/dictionary/termini.jsp?EINTRAG_ID=7082

5. heteroscedasticity
Type: Term Pronunciation: het′ĕr-ō-skĕd′as-tis′ĭ-tē Definitions: 1. Nonconstancy of the variance of a measure over the levels of the factor under study.
Found op http://www.medilexicon.com/medicaldictionary.php?t=40823

6. heteroscedasticity
1) The absence of homogeneity of variance
Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/heteroscedasticity/1

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